DE69526282D1 - Radio communication device - Google Patents

Radio communication device

Info

Publication number
DE69526282D1
DE69526282D1 DE69526282A DE69526282A DE69526282D1 DE 69526282 D1 DE69526282 D1 DE 69526282D1 DE 69526282 A DE69526282 A DE 69526282A DE 69526282 A DE69526282 A DE 69526282A DE 69526282 D1 DE69526282 D1 DE 69526282D1
Authority
DE
Germany
Prior art keywords
communication device
radio communication
radio
device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
DE69526282A
Other languages
German (de)
Other versions
DE69526282T2 (en
Inventor
Hidehiko Norimatsu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to JP6123308A priority Critical patent/JP2586333B2/en
Application filed by NEC Corp filed Critical NEC Corp
Application granted granted Critical
Publication of DE69526282D1 publication Critical patent/DE69526282D1/en
Anticipated expiration legal-status Critical
Application status is Expired - Lifetime legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0053Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
    • H04B1/0057Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using diplexing or multiplexing filters for selecting the desired band
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40Circuits
    • H04B1/403Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency
    • H04B1/406Circuits using the same oscillator for generating both the transmitter frequency and the receiver local oscillator frequency with more than one transmission mode, e.g. analog and digital modes
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02Terminal devices
    • H04W88/06Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
DE69526282A 1994-05-13 1995-05-02 Radio communication device Expired - Lifetime DE69526282D1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6123308A JP2586333B2 (en) 1994-05-13 1994-05-13 Wireless communication device

Publications (1)

Publication Number Publication Date
DE69526282D1 true DE69526282D1 (en) 2002-05-16

Family

ID=14857331

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69526282A Expired - Lifetime DE69526282D1 (en) 1994-05-13 1995-05-02 Radio communication device
DE69526282T Expired - Lifetime DE69526282T2 (en) 1994-05-13 1995-05-02 Radio communication device

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69526282T Expired - Lifetime DE69526282T2 (en) 1994-05-13 1995-05-02 Radio communication device

Country Status (7)

Country Link
US (1) US5640686A (en)
EP (1) EP0682458B1 (en)
JP (1) JP2586333B2 (en)
KR (1) KR0158785B1 (en)
AU (1) AU691883B2 (en)
CA (1) CA2148673A1 (en)
DE (2) DE69526282D1 (en)

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US5978679A (en) * 1996-02-23 1999-11-02 Qualcomm Inc. Coexisting GSM and CDMA wireless telecommunications networks
FI117841B (en) * 1996-07-18 2007-03-15 Nokia Corp An arrangement for transmitting and receiving a radio frequency signal in two frequency bands
US6061575A (en) * 1996-11-06 2000-05-09 Ericsson Inc. Frequency synthesizer circuit for mobile stations
US5960364A (en) * 1996-11-08 1999-09-28 Ericsson Inc. Satellite/cellular phone using different channel spacings on forward and return links
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US6029052A (en) * 1997-07-01 2000-02-22 Telefonaktiebolaget Lm Ericsson Multiple-mode direct conversion receiver
US6298244B1 (en) 1997-07-03 2001-10-02 Ericsson Inc. Dual-band, dual-mode power amplifier
US6188877B1 (en) 1997-07-03 2001-02-13 Ericsson Inc. Dual-band, dual-mode power amplifier with reduced power loss
US6151484A (en) * 1997-08-08 2000-11-21 Ericsson Inc. Communications apparatus and methods for adaptive signal processing based on mobility characteristics
US6108562A (en) * 1997-08-15 2000-08-22 Telefonaktiebolaget Lm Ericsson (Publ) Travel converter for a mobile telephone
US6091966A (en) * 1997-09-29 2000-07-18 Ericsson, Inc. Dual-band, dual-mode power amplifier
DE19823049C2 (en) 1998-05-22 2000-09-21 Ericsson Telefon Ab L M Power amplifier output circuit for the suppression of harmonics for a mobile unit with dual-band operation and method of operating the same
FI106830B (en) * 1998-06-16 2001-04-12 Nokia Networks Oy A method for communication control and the communications system
US6304748B1 (en) * 1998-09-23 2001-10-16 Conexant Systems, Inc. Transmitter circuitry for a cellular phone
US6587441B1 (en) 1999-01-22 2003-07-01 Technology Alternatives, Inc. Method and apparatus for transportation of data over a managed wireless network using unique communication protocol
US6330700B1 (en) 1999-05-18 2001-12-11 Omnipoint Corporation Out-of-band forward error correction
US6314535B1 (en) * 1999-05-18 2001-11-06 Xircom Wireless, Inc. Dynamic forward error correction
SE521254C2 (en) * 1999-08-13 2003-10-14 Ericsson Telefon Ab L M The interface between the mobile phone and various network standards
US7130579B1 (en) * 1999-10-21 2006-10-31 Broadcom Corporation Adaptive radio transceiver with a wide tuning range VCO
GB2362544A (en) * 2000-05-17 2001-11-21 Roke Manor Research Filtering module for multi-mode communiction terminal
US6996158B2 (en) * 2001-02-22 2006-02-07 Freescale Semiconductors, Inc. Signal detection using a CDMA receiver
WO2003001688A2 (en) * 2001-06-20 2003-01-03 Telefonaktiebolaget L M Ericsson (Publ) Communications device
GB2376823B (en) * 2001-06-20 2005-05-18 Ericsson Telefon Ab L M Communications device
US20030078037A1 (en) * 2001-08-17 2003-04-24 Auckland David T. Methodology for portable wireless devices allowing autonomous roaming across multiple cellular air interface standards and frequencies
DE60129342T2 (en) * 2001-12-05 2008-03-20 Sony Deutschland Gmbh FM receiver with digital bandwidth control
GB2394133A (en) * 2002-10-17 2004-04-14 Toumaz Technology Ltd Radio receiver with reconfigurable filtering arrangement
US7272375B2 (en) 2004-06-30 2007-09-18 Silicon Laboratories Inc. Integrated low-IF terrestrial audio broadcast receiver and associated method
US10009814B1 (en) 2004-09-03 2018-06-26 Sprint Spectrum L.P. Multi-mode mobile station and method of changing its network connectivity using a network acknowledgement
EP1829229B1 (en) 2004-12-22 2019-01-23 Nokia Technologies Oy Interoperability improvement between receivers and transmitters in a mobile station
GB2453622B (en) * 2008-08-21 2009-09-16 Cambridge Silicon Radio Ltd Tuneable filter
US9166471B1 (en) 2009-03-13 2015-10-20 Rf Micro Devices, Inc. 3D frequency dithering for DC-to-DC converters used in multi-mode cellular transmitters
US8538422B1 (en) 2009-04-14 2013-09-17 Sprint Communications Company L.P. Reallocation of resources for dual-mode wireless devices
US8548398B2 (en) 2010-02-01 2013-10-01 Rf Micro Devices, Inc. Envelope power supply calibration of a multi-mode radio frequency power amplifier
US9214865B2 (en) 2010-04-20 2015-12-15 Rf Micro Devices, Inc. Voltage compatible charge pump buck and buck power supplies
US8942650B2 (en) 2010-04-20 2015-01-27 Rf Micro Devices, Inc. RF PA linearity requirements based converter operating mode selection
US9553550B2 (en) 2010-04-20 2017-01-24 Qorvo Us, Inc. Multiband RF switch ground isolation
US9184701B2 (en) 2010-04-20 2015-11-10 Rf Micro Devices, Inc. Snubber for a direct current (DC)-DC converter
US9048787B2 (en) 2010-04-20 2015-06-02 Rf Micro Devices, Inc. Combined RF detector and RF attenuator with concurrent outputs
US8942651B2 (en) 2010-04-20 2015-01-27 Rf Micro Devices, Inc. Cascaded converged power amplifier
US9077405B2 (en) * 2010-04-20 2015-07-07 Rf Micro Devices, Inc. High efficiency path based power amplifier circuitry
US9900204B2 (en) 2010-04-20 2018-02-20 Qorvo Us, Inc. Multiple functional equivalence digital communications interface
US8538355B2 (en) 2010-04-19 2013-09-17 Rf Micro Devices, Inc. Quadrature power amplifier architecture
US8983407B2 (en) 2010-04-20 2015-03-17 Rf Micro Devices, Inc. Selectable PA bias temperature compensation circuitry
US8983410B2 (en) 2010-04-20 2015-03-17 Rf Micro Devices, Inc. Configurable 2-wire/3-wire serial communications interface
US9362825B2 (en) 2010-04-20 2016-06-07 Rf Micro Devices, Inc. Look-up table based configuration of a DC-DC converter
US8913967B2 (en) 2010-04-20 2014-12-16 Rf Micro Devices, Inc. Feedback based buck timing of a direct current (DC)-DC converter
US9030256B2 (en) 2010-04-20 2015-05-12 Rf Micro Devices, Inc. Overlay class F choke
US8958763B2 (en) 2010-04-20 2015-02-17 Rf Micro Devices, Inc. PA bias power supply undershoot compensation
US8989685B2 (en) 2010-04-20 2015-03-24 Rf Micro Devices, Inc. Look-up table based configuration of multi-mode multi-band radio frequency power amplifier circuitry
US8947157B2 (en) 2010-04-20 2015-02-03 Rf Micro Devices, Inc. Voltage multiplier charge pump buck
US9008597B2 (en) 2010-04-20 2015-04-14 Rf Micro Devices, Inc. Direct current (DC)-DC converter having a multi-stage output filter
US9577590B2 (en) 2010-04-20 2017-02-21 Qorvo Us, Inc. Dual inductive element charge pump buck and buck power supplies
US9214900B2 (en) 2010-04-20 2015-12-15 Rf Micro Devices, Inc. Interference reduction between RF communications bands
US9065505B2 (en) 2012-01-31 2015-06-23 Rf Micro Devices, Inc. Optimal switching frequency for envelope tracking power supply

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US5155860A (en) * 1988-12-27 1992-10-13 Cellular Communications Corporation Cellular portable telephone battery pack and programmer interface
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JPH0773387B2 (en) * 1989-12-26 1995-08-02 日本電気株式会社 Mobile phone device
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US5175872A (en) * 1991-03-28 1992-12-29 Motorola, Inc. Combined trunked/cellular communication unit
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DE4119094C2 (en) * 1991-06-10 1996-01-04 Daimler Benz Aerospace Ag Intelligent remote measuring and positioning system
FI91819C (en) * 1991-11-05 1994-08-10 Nokia Mobile Phones Ltd The method for forming two separate operating frequency range of a digital radio telephone frequencies
JPH05199141A (en) * 1992-01-17 1993-08-06 Sony Corp Frequency converter and transmitter/receiver
JP3019889B2 (en) * 1992-03-03 2000-03-13 ソニー株式会社 Mobile telephone
JPH0621880A (en) * 1992-06-30 1994-01-28 Sony Corp Communication equipment
JP2833397B2 (en) * 1993-01-29 1998-12-09 三菱電機株式会社 Portable device
US5422931A (en) * 1993-09-22 1995-06-06 Hughes Aircraft Company Dual mode portable cellular telephone having switch control of the rf signal path to effectuate power savings

Also Published As

Publication number Publication date
DE69526282T2 (en) 2002-11-14
EP0682458A2 (en) 1995-11-15
EP0682458B1 (en) 2002-04-10
AU691883B2 (en) 1998-05-28
JP2586333B2 (en) 1997-02-26
US5640686A (en) 1997-06-17
KR0158785B1 (en) 1998-12-01
AU1785195A (en) 1995-11-23
JPH07307981A (en) 1995-11-21
KR950035153A (en) 1995-12-30
CA2148673A1 (en) 1995-11-14
EP0682458A3 (en) 1995-12-20

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition